RIS-0775-CCS. AWS and TPWS Application Requirements 2018-12
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Uncontrolled when printed Supersedes RIS-0775-CCS Iss 1 with effect from 01/12/2018 Rail Industry Standard RIS-0775-CCS Issue: Two Date: December 2018 AWS and TPWS Application Requirements Synopsis This document sets out requirements and guidance for the application of the United Kingdom (UK) Class B train protection system ‘TPWS’, which comprises the Automatic Warning System (AWS) and the Train Protection and Warning System (TPWS). Copyright in the Railway Group documents is owned by Rail Safety and Standards Board Limited. All rights are hereby reserved. No Railway Group document (in whole or in part) may be reproduced, stored in a retrieval system, or transmitted, in any form or means, without the prior written permission of Rail Safety and Standards Board Limited, or as expressly permitted by law. RSSB members are granted copyright licence in accordance with the Constitution Agreement relating to Rail Safety and Standards Board Limited. In circumstances where Rail Safety and Standards Board Limited has granted a particular person or organisation permission to copy extracts from Railway Group documents, Rail Safety and Standards Board Limited accepts no responsibility for, nor any liability in connection with, the use of such extracts, or any claims arising therefrom. This disclaimer applies to all forms of media in which extracts from Railway Group documents may be reproduced. Published by RSSB © Copyright 2018 Rail Safety and Standards Board Limited Uncontrolled when printed Supersedes RIS-0775-CCS Iss 1 with effect from 01/12/2018 Rail Industry Standard RIS-0775-CCS AWS and TPWS Application Issue: Two Date: December 2018 Requirements Issue Record Issue Date Comments One 03/03/2018 New document containing material from GERT8075 issue two and GEGN8675 issue two not within scope of Railway Group Standards. Two 01/12/2018 Revised Part 5 and Appendices A, B and C incorporating requirements for VDU implementation of DMI and integration with ETCS. Revised Part 5 also replaces former Appendix D which is now not used. AWS/TPWS output requirements formerly in Part 5 moved to section 4.3. Revisions have been marked by a vertical black line in this issue. Definitions and References may also have been updated but these are not marked by a vertical black line. Superseded Documents The following Railway Group documents are superseded, either in whole or in part as indicated: Superseded documents Sections superseded Date when sections are superseded RIS-0775-CCS issue one AWS All 01/12/2018 and TPWS Application Requirements Supply The authoritative version of this document is available at www.rssb.co.uk/railway- group-standards. Enquiries on this document can be submitted through the RSSB Customer Self-Service Portal https://customer-portal.rssb.co.uk/ Page 2 of 133 RSSB Uncontrolled when printed Supersedes RIS-0775-CCS Iss 1 with effect from 01/12/2018 Rail Industry Standard AWS and TPWS Application RIS-0775-CCS Issue: Two Requirements Date: December 2018 Contents Section Description Page Part 1 Purpose and Introduction 7 1.1 Purpose 7 1.2 Application of this document 7 1.3 Health and safety responsibilities 8 1.4 Structure of this document 8 1.5 Approval and authorisation of this document 8 Part 2 System Description 9 2.1 General introduction to AWS and TPWS 9 2.2 AWS 10 2.3 TPWS 11 Part 3 Trackside Subsystem Requirements 13 3.1 Requirements for trackside AWS equipment 13 3.2 Requirements for trackside TPWS equipment 29 Part 4 Trainborne Subsystem Requirements 39 4.1 Requirements for trainborne AWS equipment 39 4.2 Requirements for trainborne TPWS equipment 41 4.3 Output requirements 44 Part 5 AWS/TPWS Driver Machine Interface (DMI) 46 5.1 Introduction to the AWS/TPWS DMI 46 5.2 Integrating the AWS/TPWS DMI into a rail vehicle 47 5.3 AWS/TPWS DMI controls 49 5.4 AWS/TPWS DMI indications 64 5.5 AWS/TPWS DMI control functions 76 5.6 AWS/TPWS indication functions 80 5.7 AWS/TPWS onboard subsystem power-up test functions 88 5.8 AWS/TPWS fault indications 90 Part 6 System Availability and Integrity 93 6.1 Availability and integrity of the AWS/TPWS system 93 Appendices 94 Appendix A AWS/TPWS DMI System Models 94 RSSB Page 3 of 133 Uncontrolled when printed Supersedes RIS-0775-CCS Iss 1 with effect from 01/12/2018 Rail Industry Standard RIS-0775-CCS AWS and TPWS Application Issue: Two Date: December 2018 Requirements Appendix B AWS/TPWS Control and Indication Panel 97 Appendix C AWS/TPWS DMI VDU layouts 98 Appendix D Not used 100 Appendix E Guidance on AWS Design Principles 101 Appendix F Guidance on AWS Receiver Sensitivity Testing 102 Appendix G Not used Appendix H Description of AWS and TPWS Trainborne Equipment 104 Appendix I Not used Appendix J AWS and TPWS Trainborne Equipment - Fault and Failure Management 110 Appendix K AWS Testing using a Hand-Held Permanent Magnet 125 Appendix L Guidance on AWS Route Compatibility Assessments 128 Definitions 129 References 132 Page 4 of 133 RSSB Uncontrolled when printed Supersedes RIS-0775-CCS Iss 1 with effect from 01/12/2018 Rail Industry Standard AWS and TPWS Application RIS-0775-CCS Issue: Two Requirements Date: December 2018 List of Figures Figure 1: TPWS typical layout 11 Figure 2: Example designs of AWS caution acknowledgement control 53 Figure 3: Example of the AWS warning acknowledged indication ('sunflower') 71 Figure 4: AWS/TPWS brake demand indication combination and transitions 84 Figure 5: AWS/TPWS DMI structural viewpoint 94 Figure 6: Train driver operational context viewpoint: AWS DMI use cases 95 Figure 7: Train driver operational context viewpoint: TPWS DMI use cases 96 Figure 8: AWS/TPWS panel layout 97 Figure 9: AWS/TPWS panel dimensions 97 Figure 10: Example layout for touch screen VDU 98 Figure 11: Example layout for soft key VDU 98 Figure 12: Typical AWS/TPWS trainborne sub-system 105 Figure 13: AWS/TPWS right side failure investigation process 111 Figure 14: AWS wrong side failure investigation process 113 Figure 15: Combined AWS/TPWS fault finding guide 117 Figure 16: Combined AWS/TPWS system fault-finding flowchart 118 RSSB Page 5 of 133 Uncontrolled when printed Supersedes RIS-0775-CCS Iss 1 with effect from 01/12/2018 Rail Industry Standard RIS-0775-CCS AWS and TPWS Application Issue: Two Date: December 2018 Requirements List of Tables Table 1: Provision of AWS at signals 14 Table 2: Track transmitter frequencies for overspeed protection functionality 37 Table 3: Track transmitter frequencies for train stop functionality 37 Table 4: AWS caution acknowledgement control 51 Table 5: AWS brake demand acknowledgement control 53 Table 6: SPAD brake demand acknowledgement control 54 Table 7: Overspeed brake demand control 56 Table 8: Brake release control 57 Table 9: Train stop override control 59 Table 10: TPWS temporary isolation control 61 Table 11: AWS isolation control 62 Table 12: AWS/TPWS isolation control 63 Table 13: AWS/TPWS DMI indications 64 Table 14: AWS and TPWS audible indications 66 Table 15: AWS warning acknowledged indication ('sunflower') 68 Table 16: Brake demand and acknowledgement indications 71 Table 17: Train stop override indication 73 Table 18: TPWS temporary isolation/fault indication 75 Table 19: Common AWS/TPWS faults 119 Table 20: Test after a 'right side failure’ reported 125 Table 21: Test after a 'wrong side failure’ reported 127 Page 6 of 133 RSSB Uncontrolled when printed Supersedes RIS-0775-CCS Iss 1 with effect from 01/12/2018 Rail Industry Standard AWS and TPWS Application RIS-0775-CCS Issue: Two Requirements Date: December 2018 Part 1 Purpose and Introduction 1.1 Purpose 1.1.1 This document is the industry agreed and endorsed standard on the application of the Automatic Warning System (AWS) and the Train Protection and Warning System (TPWS) on the Great Britain (GB) mainline railway network and on trains operating on that network. It is complementary to GERT8075, which sets out requirements for technical compatibility of the AWS and TPWS trackside subsystems with the AWS / TPWS onboard subsystems. 1.1.2 Conformity with the requirements in this document can be used by infrastructure managers (IMs) and railway undertakings (RUs) in discharging their obligations under the Railway Safety Regulations 1999 (RSR 99). 1.1.3 Document ERA/TD/2011-11 List of Class B Systems, published by the European Union Agency for Railways (EUAR), records that ‘TPWS’ is a UK Class B system applicable to the whole network. In this context, ‘TPWS’ includes AWS. 1.1.4 The Control Command and Signalling Technical Specification for Interoperability (CCS TSI) section 3.1 states that ‘The requirements for Class B systems are the responsibility of the relevant Member State’. This Rail Industry Standard, together with Railway Group Standard GERT8075, fulfils that responsibility by setting out the GB industry agreed requirements for ‘TPWS’ on the GB mainline railway. 1.1.5 This document includes the TPWS Driver-Machine Interface (DMI) requirements, which have been developed to control the risk of a driver incorrectly resetting the TPWS and restarting the train after a train protection system intervention. This is sometimes referred to as ‘TPWS reset and go risk’. These requirements support the design of a TPWS DMI which will provide operational functionality consistent with the requirements set out in the Rule Book GERT8000 and the supporting handbook RS522 that all GB mainline train operators have collectively agreed to mandate on themselves. 1.1.6 The requirements in RIS-0775-CCS are available to both suppliers and train operators as widely accepted codes of practice which can be used as a means of applying the CSM RA risk acceptance principles to the hazards of a train passing the end of a signalled movement authority and a train exceeding the permissible speed, in order to control collision risk and derailment risk.